135410657 has 4 divisors (see below), whose sum is σ = 140080020. Its totient is φ = 130741296.

The previous prime is 135410629. The next prime is 135410669. The reversal of 135410657 is 756014531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 69622336 + 65788321 = 8344^2 + 8111^2 .

It is a cyclic number.

It is not a de Polignac number, because 135410657 - 2¹² = 135406561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135410357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2334638 + ... + 2334695.

It is an arithmetic number, because the mean of its divisors is an integer number (35020005).

Almost surely, 2^135410657 is an apocalyptic number.

It is an amenable number.

135410657 is a deficient number, since it is larger than the sum of its proper divisors (4669363).

135410657 is an equidigital number, since it uses as much as digits as its factorization.

135410657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4669362.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 135410657 is about 11636.6084835746. The cubic root of 135410657 is about 513.5124156853.

The spelling of 135410657 in words is "one hundred thirty-five million, four hundred ten thousand, six hundred fifty-seven".